/* css/pages/certificates.css */

:root {
    --color-primary:   #C22225;
    --color-secondary: #1D3557;
    --color-dark:      #232020;
    --color-light:     #F8F8F8;
    --color-gray:      #4D4D4D;
    --border-radius:   8px;
    --transition:      all 0.3s ease;
}

.section-padding { padding: 80px 0; }

/* ── Хлібні крихти ── */
.breadcrumbs { padding: 16px 0; background: #f8f9fa; border-bottom: 1px solid #e9ecef; }
.breadcrumbs__list { display: flex; list-style: none; flex-wrap: wrap; gap: 4px; }
.breadcrumbs__item:not(:last-child)::after { content: '/'; margin: 0 8px; color: var(--color-gray); }
.breadcrumbs__link { color: var(--color-gray); text-decoration: none; transition: var(--transition); }
.breadcrumbs__link:hover { color: var(--color-primary); }
.breadcrumbs__item.active { color: var(--color-dark); font-weight: 500; }

/* ════════════════════ HERO ════════════════════ */
.cert-hero {
    background: linear-gradient(135deg, var(--color-dark) 0%, #1a1a2e 50%, var(--color-secondary) 100%);
    padding: 90px 0 80px;
    position: relative;
    overflow: hidden;
    color: #fff;
}
.cert-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 15% 60%, rgba(194,34,37,0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(29,53,87,0.3) 0%, transparent 50%);
    pointer-events: none;
}
.cert-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}
.cert-hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    align-items: center;
}
.cert-hero__label {
    display: inline-block;
    background: rgba(194,34,37,0.2);
    border: 1px solid rgba(194,34,37,0.5);
    color: #ff9a9a;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 20px;
    margin-bottom: 24px;
}
.cert-hero__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.15;
    color: #fff;
    margin-bottom: 20px;
}
.cert-hero__text {
    font-size: 1rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    max-width: 560px;
}

/* Значок ISO */
.cert-badge-ring {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 3px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(194,34,37,0.1);
    box-shadow: 0 0 0 8px rgba(194,34,37,0.06), 0 0 0 16px rgba(194,34,37,0.03);
}
.cert-badge-inner {
    text-align: center;
    color: #fff;
}
.cert-badge-inner i { font-size: 2.2rem; color: var(--color-primary); display: block; margin-bottom: 6px; }
.cert-badge-inner span { font-size: 1.1rem; font-weight: 700; letter-spacing: 2px; }

/* ════════════════════ СІТКА ════════════════════ */
.cert-section { background: var(--color-light); }

.certs-pub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 24px;
}

.cert-pub-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e9ecef;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.cert-pub-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.1);
    border-color: transparent;
}

.cert-pub-card__img {
    width: 100%;
    aspect-ratio: 3/4;
    overflow: hidden;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
}
.cert-pub-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
}
.cert-pub-card:hover .cert-pub-card__img img { transform: scale(1.04); }

.cert-pub-card__zoom {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    opacity: 0;
    transition: opacity 0.3s;
}
.cert-pub-card:hover .cert-pub-card__zoom { opacity: 1; }

.cert-pub-card__pdf {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    cursor: pointer;
}
.cert-pub-card__pdf i   { font-size: 3.5rem; }
.cert-pub-card__pdf span { font-size: 0.8rem; font-weight: 700; letter-spacing: 1px; color: var(--color-gray); }

.cert-pub-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-top: 1px solid #f0f0f0;
    gap: 8px;
}
.cert-pub-card__title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-dark);
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cert-pub-card__dl {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: rgba(194,34,37,0.08);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    flex-shrink: 0;
    transition: var(--transition);
    font-size: 0.85rem;
}
.cert-pub-card__dl:hover { background: var(--color-primary); color: #fff; }

/* Порожній стан */
.cert-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--color-gray);
}
.cert-empty i { font-size: 3rem; color: #dee2e6; display: block; margin-bottom: 20px; }
.cert-empty h2 { margin-bottom: 12px; color: var(--color-dark); }
.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
}
.btn-link:hover { text-decoration: underline; }

/* ════════════════════ CTA ════════════════════ */
.cert-cta { background: var(--color-primary); padding: 70px 0; }
.cta-block { text-align: center; }
.cta-block h2 { font-size: 2rem; font-weight: 700; color: #fff; margin-bottom: 14px; }
.cta-block p  { font-size: 1.05rem; color: rgba(255,255,255,0.85); margin-bottom: 32px; max-width: 500px; margin-left: auto; margin-right: auto; line-height: 1.6; }
.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1rem;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid #fff;
}
.btn-cta:hover { background: transparent; color: #fff; }

/* ════════════════════ МОДАЛЬНЕ ════════════════════ */
.cert-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}
.cert-modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}
.cert-modal {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    position: relative;
}
.cert-modal__close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0,0,0,0.1);
    border: none;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.cert-modal__close:hover { background: var(--color-primary); }
.cert-modal__title {
    padding: 16px 20px;
    font-weight: 700;
    font-size: 1rem;
    border-bottom: 1px solid #e9ecef;
    color: var(--color-dark);
}
.cert-modal__body {
    flex: 1;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    min-height: 300px;
}
.cert-modal__img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    display: block;
}
.cert-modal__iframe {
    width: 100%;
    height: 70vh;
    border: none;
    display: block;
}
.cert-modal__actions {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    border-top: 1px solid #e9ecef;
}
.btn-modal-dl, .btn-modal-open {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}
.btn-modal-dl { background: var(--color-primary); color: #fff; }
.btn-modal-dl:hover { background: #a01c1e; }
.btn-modal-open { background: var(--color-light); color: var(--color-dark); border: 1px solid #dee2e6; }
.btn-modal-open:hover { background: #e9ecef; }

/* ════════════════════ АДАПТИВНІСТЬ ════════════════════ */
@media (max-width: 992px) {
    .cert-hero .container { grid-template-columns: 1fr; }
    .cert-hero__badge { display: none; }
}
@media (max-width: 768px) {
    .section-padding { padding: 56px 0; }
    .cert-hero { padding: 64px 0 56px; }
    .cert-hero__title { font-size: 2rem; }
    .certs-pub-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .cta-block h2 { font-size: 1.5rem; }
}
@media (max-width: 480px) {
    .certs-pub-grid { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════════
   ТЕМНА ТЕМА
════════════════════════════════════════════ */

/* Хлібні крихти */
body.dark-theme .breadcrumbs {
    background: #0A1120;
    border-bottom-color: rgba(255,255,255,0.08);
}
body.dark-theme .breadcrumbs__link { color: rgba(255,255,255,0.55); }
body.dark-theme .breadcrumbs__link:hover { color: var(--color-primary); }
body.dark-theme .breadcrumbs__item:not(:last-child)::after { color: rgba(255,255,255,0.3); }
body.dark-theme .breadcrumbs__item.active { color: #fff; }

/* Сітка сертифікатів */
body.dark-theme .cert-section { background: #0A1120; }
body.dark-theme .cert-pub-card {
    background: rgba(30,41,59,0.5);
    border-color: rgba(255,255,255,0.08);
}
body.dark-theme .cert-pub-card:hover {
    box-shadow: 0 12px 32px rgba(0,0,0,0.35);
}
body.dark-theme .cert-pub-card__img { background: rgba(255,255,255,0.04); }
body.dark-theme .cert-pub-card__pdf span { color: rgba(255,255,255,0.55); }
body.dark-theme .cert-pub-card__footer { border-top-color: rgba(255,255,255,0.08); }
body.dark-theme .cert-pub-card__title { color: #fff; }
body.dark-theme .cert-pub-card__dl { background: rgba(194,34,37,0.15); }

/* Порожній стан */
body.dark-theme .cert-empty { color: rgba(255,255,255,0.55); }
body.dark-theme .cert-empty i { color: rgba(255,255,255,0.15); }
body.dark-theme .cert-empty h2 { color: #fff; }

/* Hero і CTA вже на темному/кольоровому фоні з білим текстом — без змін */

/* Модальне вікно перегляду сертифіката */
body.dark-theme .cert-modal { background: #16223d; }
body.dark-theme .cert-modal__title {
    color: #fff;
    border-bottom-color: rgba(255,255,255,0.1);
}
body.dark-theme .cert-modal__body { background: #0A1120; }
body.dark-theme .cert-modal__actions { border-top-color: rgba(255,255,255,0.1); }
body.dark-theme .btn-modal-open {
    background: rgba(255,255,255,0.08);
    color: #fff;
    border-color: rgba(255,255,255,0.15);
}
body.dark-theme .btn-modal-open:hover { background: rgba(255,255,255,0.14); }